Two-Sheets Detector


Posted on Dec 2, 2012

Using the principle of capacitance between two plates this circuit senses when more than one sheet of paper goes betwee


Two-Sheets Detector
Click here to download the full size of the above Circuit.

n the sensing electrodes at a time. CI is the sensing capacitor formed of two plates. It consists of two plates 2" 15" with 0.1" spacing. A change of capacitance causes a change in oscillator frequency of the IC1 circuit, which is detected by IC2 and IC3.




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

Tape recorder interface
Simple Power Saving Devices
Digital Remote Thermometer Circuit With Receiver and Transmitter
Simple TV Transmitter circuit diagram (VHF)
ICL7107 / ICL7106 - Digital Voltmeter
wein bridge oscillator
0 1000 volt regulated high voltage
Original Macintosh 512K Logic Board Schematic
Simple Under-Voltage Cut-Out



Top